In 1834, the federal government had passed an act that designated the entire Great Plains as one enormous reservation, or land set aside for Native American tribes. In the 1850s, however, the government changed its policy and created treaties that defined specific boundaries for each tribe. Most Native Americans spurned the government treaties and continued to hunt on their traditional lands clashing with settlers and miners, with tragic results.
The government’s continuous changing of American Indian policy caused mistrust.

They bought it from the French.
German industrialist and a member of the Nazi Party who is credited with saving the lives of 1,200 Jews during the Holocaust
Answer:
To create a slave state and a non-slave state
Explanation:
"In an effort to preserve the balance of power in Congress between slave and free states, the Missouri Compromise was passed in 1820 admitting Missouri as a slave state and Maine as a free state."
Answer:
1) Robert Fulton built the first paddle operate rated steamboat in 1807.
2) James Watt improved the steam engine and revolutionised its use by adding a separate condenser in the original design.
3) Giuseppe Garibaldi was the Italian leader and hero of the Italian unification, other important leaders of modern Italy.
4) Romanticism was the revolt against the aristocratic political and social norms of the age of enlightenment. It reacted against the scientific rationalisation of nature.
5) Miguel Hidalgo was leader of Mexican War of independence and a Roman Catholic priest